JPS6359266A - 画像再生方法および装置 - Google Patents

画像再生方法および装置

Info

Publication number
JPS6359266A
JPS6359266A JP62204311A JP20431187A JPS6359266A JP S6359266 A JPS6359266 A JP S6359266A JP 62204311 A JP62204311 A JP 62204311A JP 20431187 A JP20431187 A JP 20431187A JP S6359266 A JPS6359266 A JP S6359266A
Authority
JP
Japan
Prior art keywords
signal
low
image
filter
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP62204311A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0568147B2 (enrdf_load_stackoverflow
Inventor
ヘルマン・フックスベルガー
エドワルト・ヴァーゲンゾナー
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agfa Gevaert AG filed Critical Agfa Gevaert AG
Publication of JPS6359266A publication Critical patent/JPS6359266A/ja
Publication of JPH0568147B2 publication Critical patent/JPH0568147B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/407Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/409Edge or detail enhancement; Noise or error suppression
    • H04N1/4092Edge or detail enhancement

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
JP62204311A 1986-08-29 1987-08-19 画像再生方法および装置 Granted JPS6359266A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3629409A DE3629409C2 (de) 1986-08-29 1986-08-29 Verfahren und Vorrichtung zur Kontrastbewertung bei der elektronischen Bildverarbeitung
DE3629409.8 1986-08-29

Publications (2)

Publication Number Publication Date
JPS6359266A true JPS6359266A (ja) 1988-03-15
JPH0568147B2 JPH0568147B2 (enrdf_load_stackoverflow) 1993-09-28

Family

ID=6308464

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62204311A Granted JPS6359266A (ja) 1986-08-29 1987-08-19 画像再生方法および装置

Country Status (5)

Country Link
US (1) US4825297A (enrdf_load_stackoverflow)
JP (1) JPS6359266A (enrdf_load_stackoverflow)
CH (1) CH675640A5 (enrdf_load_stackoverflow)
DE (1) DE3629409C2 (enrdf_load_stackoverflow)
GB (1) GB2195857B (enrdf_load_stackoverflow)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03245675A (ja) * 1990-02-23 1991-11-01 Matsushita Electric Ind Co Ltd 画像処理装置
JPH03293864A (ja) * 1990-04-10 1991-12-25 Dainippon Screen Mfg Co Ltd 輪郭強調方法および画像処理装置
JPH05300376A (ja) * 1992-09-11 1993-11-12 Konica Corp 放射線画像のダイナミックレンジ圧縮用補正データ算出方法
JPH06500220A (ja) * 1991-02-22 1994-01-06 ライノタイプ−ヘル アクチエンゲゼルシャフト 信号のフィルタリングによる輪郭再生改善方法および装置
JPH0622135A (ja) * 1991-12-09 1994-01-28 Matsushita Electric Ind Co Ltd 画像処理方法
JPH09181940A (ja) * 1995-12-13 1997-07-11 Samsung Electron Co Ltd ビデオ信号のローカルコントラスト改善のための方法及び装置
JP2001229377A (ja) * 1999-12-08 2001-08-24 Eastman Kodak Co 適応帰納的フィルタでディジタル画像のコントラストを調整する方法
WO2002045020A1 (en) * 2000-11-30 2002-06-06 Canon Kabushiki Kaisha Image processing device, image processing method, storage medium, and program
US7248748B2 (en) 2000-11-30 2007-07-24 Canon Kabushiki Kaisha Image processing apparatus, image processing method, storage medium, and program
JP2008508800A (ja) * 2004-07-30 2008-03-21 ヒューレット−パッカード デベロップメント カンパニー エル.ピー. 所望のゲイン及び係数による画素調整方法
JP2009020834A (ja) * 2007-07-13 2009-01-29 Fujifilm Corp 画像処理装置、方法およびプログラムならびに撮像装置

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US5097336A (en) * 1987-09-22 1992-03-17 Canon Kabushiki Kaisha Signal processing apparatus
JPS6485631A (en) * 1987-09-28 1989-03-30 Toshiba Corp Electronic endoscopic apparatus
US4941190A (en) * 1988-07-15 1990-07-10 Minnesota Mining And Manufacturing Company Method and system for enhancement of a digitized image
US5012333A (en) * 1989-01-05 1991-04-30 Eastman Kodak Company Interactive dynamic range adjustment system for printing digital images
US5150214A (en) * 1989-07-29 1992-09-22 Samsung Electronics Co., Ltd. Method and circuit for correction of horizontal edges
DE4004948A1 (de) * 1990-02-16 1991-08-22 Agfa Gevaert Ag Verfahren und vorrichtung zur automatischen dichtekorrektur von bildsignalen bei der elektronischen bildverarbeitung
DE4006181A1 (de) * 1990-02-28 1991-08-29 Philips Patentverwaltung Anordnung zum abtasten einer roentgenaufnahme
GB9023013D0 (en) * 1990-10-23 1990-12-05 Crosfield Electronics Ltd Method and apparatus for generating representation of an image
JP3188491B2 (ja) * 1990-10-24 2001-07-16 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ X線記録のダイナミック圧縮方法及びその装置
US5271064A (en) * 1991-06-14 1993-12-14 University Of Cincinnati Apparatus and method for smoothing regions and enhancing edges in gray scale images
ES2043513B1 (es) * 1991-07-17 1994-08-01 Bertran Electronica Sa Circuito procesador no lineal de video para televisores en color.
US5237402A (en) * 1991-07-30 1993-08-17 Polaroid Corporation Digital image processing circuitry
EP0527525B1 (en) * 1991-08-14 1996-10-02 Agfa-Gevaert N.V. Method and apparatus for contrast enhancement
EP0531904A3 (en) * 1991-09-10 1993-10-06 Eastman Kodak Company Method and apparatus for spatially variant filtering
KR0171366B1 (ko) * 1991-10-28 1999-03-20 강진구 자동화질 보상회로
DE4137373C1 (enrdf_load_stackoverflow) * 1991-11-13 1993-06-17 Siemens Ag, 8000 Muenchen, De
US5349546A (en) * 1992-06-01 1994-09-20 Eastman Kodak Company Method and apparatus for non-linear signal processing with reduced upper harmonic components
GB9214214D0 (en) * 1992-07-03 1992-08-12 Snell & Wilcox Ltd Video signal processing
DE4239315C2 (de) * 1992-11-23 1999-11-25 Agfa Gevaert Ag Verfahren und Vorrichtung zur Vermeidung von Farbfehlern beim Belichten von Bildern auf Farbkopiermaterial
US5446503A (en) * 1994-04-11 1995-08-29 Mitsubishi Semiconductor America, Inc. Vertical detail enhancement with stepped return coring
JPH08512418A (ja) * 1994-05-03 1996-12-24 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 残留映像による良好なコントラスト/雑音
DE4415990A1 (de) * 1994-05-06 1995-11-23 Philips Patentverwaltung Verfahren zur Wiedergabe insbesondere einer digitalen Röntgenaufnahme als sichtbares Bild sowie Anordnung zur Durchführung des Verfahrens
US5638134A (en) * 1994-06-29 1997-06-10 Sony Corporation Digital filter for picture data and digital filter system
US5450216A (en) * 1994-08-12 1995-09-12 International Business Machines Corporation Color image gamut-mapping system with chroma enhancement at human-insensitive spatial frequencies
US5777689A (en) * 1996-04-10 1998-07-07 Tektronix, Inc. Method and apparatus for video signal sharpening
KR0176601B1 (ko) * 1996-05-21 1999-05-01 김광호 저역 필터링과 히스토그램 등화를 이용한 화질개선 방법 및 그 회로
DE69737984T2 (de) * 1996-06-12 2008-04-30 Fujifilm Corp. Bildverarbeitungsverfahren und -gerät
KR100200628B1 (ko) * 1996-09-30 1999-06-15 윤종용 화질 개선 회로 및 그 방법
JP3588418B2 (ja) * 1998-09-18 2004-11-10 富士写真フイルム株式会社 画像補正方法、画像補正装置及び記録媒体
ATE305607T1 (de) * 1999-04-19 2005-10-15 Fraunhofer Ges Forschung Bildbearbeitung zur vorbereitung einer texturanalyse
KR100344807B1 (ko) * 2000-01-12 2002-07-20 엘지전자주식회사 영상 신호 보정 장치 및 방법
CN1264121C (zh) * 2000-09-20 2006-07-12 Nik软件公司 数字图象锐化系统
US7042522B2 (en) * 2002-08-01 2006-05-09 Samsung Electronics Co., Ltd. Adaptive contrast enhancement method using time-varying nonlinear transforms on a video signal
EP1404114A1 (de) * 2002-09-24 2004-03-31 Agfa-Gevaert AG Digitales Bildverarbeitungsverfahren zur automatischen Kontrastmodifikation
JP2004236251A (ja) * 2003-02-03 2004-08-19 Noritsu Koki Co Ltd 画像処理装置、画像処理方法、画像処理プログラム、および、画像処理プログラムを記録した記録媒体
US7424164B2 (en) * 2003-04-21 2008-09-09 Hewlett-Packard Development Company, L.P. Processing a detected eye of an image to provide visual enhancement
DE102004025645A1 (de) * 2004-05-24 2005-12-29 Jenoptik Laser, Optik, Systeme Gmbh Verfahren zur Reduzierung von Farbmoire in digitalen Bildern
EP1754369A1 (en) * 2004-05-25 2007-02-21 Koninklijke Philips Electronics N.V. Method and system for enhancing the sharpness of a video signal.
US7369273B2 (en) * 2004-07-27 2008-05-06 Eastman Kodak Company Grayscale mistracking correction for color-positive transparency film elements
TW200733720A (en) * 2006-02-24 2007-09-01 Pixart Imaging Inc Digital image processing method and the device thereof
US7643010B2 (en) * 2007-01-03 2010-01-05 Apple Inc. Peripheral pixel noise reduction
JP4894595B2 (ja) * 2007-04-13 2012-03-14 ソニー株式会社 画像処理装置および方法、並びに、プログラム
US8207931B2 (en) * 2007-05-31 2012-06-26 Hong Kong Applied Science and Technology Research Institute Company Limited Method of displaying a low dynamic range image in a high dynamic range
CN101802866B (zh) * 2007-07-09 2012-12-12 前视红外系统公司 用于处理红外图像的方法、红外图像采集系统以及计算机可读介质
JP2010541356A (ja) * 2007-09-28 2010-12-24 オセ−テクノロジーズ・ベー・ヴエー 適応可能な黒点補正のための方法、装置、およびコンピュータプログラム
US8103120B2 (en) * 2008-09-22 2012-01-24 Solomon Systech Limited Method and apparatus of local contrast enhancement
RU2533855C2 (ru) * 2009-03-06 2014-11-20 Конинклейке Филипс Электроникс Н.В. Способ преобразования входных данных изображения в выходные данные изображения, блок преобразования изображения для преобразования входных данных изображения в выходные данные изображения, устройство обработки изображения, устройство отображения
DE102009019840A1 (de) * 2009-05-04 2011-01-27 Siemens Aktiengesellschaft Kontrastverstärkung von CT-Bildern mittels eines Multibandfilters
DE102009039987A1 (de) 2009-09-03 2011-03-17 Siemens Aktiengesellschaft Iterativer CT-Bildfilter zur Rauschreduktion
US8781248B2 (en) * 2010-01-28 2014-07-15 Stmicroelectronics Asia Pacific Pte. Ltd. Image details preservation and enhancement
DE102011109440A1 (de) * 2010-10-16 2012-04-19 Daimler Ag Verfahren zum Justieren und/oder Kalibrieren zumindest eines Scheinwerfers eines Fahrzeugs
JP5730362B2 (ja) * 2013-08-30 2015-06-10 合志 清一 画像処理装置及び画像処理方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5188120A (enrdf_load_stackoverflow) * 1975-01-31 1976-08-02
JPS58182957A (ja) * 1982-04-20 1983-10-26 Fuji Photo Film Co Ltd 画像の鮮鋭度強調方式
JPS6054570A (ja) * 1983-09-05 1985-03-29 Fuji Photo Film Co Ltd 画像の鮮鋭度強調方式

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US3715477A (en) * 1971-03-11 1973-02-06 Rca Corp Video signal noise-limiting apparatus
US4009334A (en) * 1976-03-17 1977-02-22 Eastman Kodak Company Video noise reduction circuit
US4245237A (en) * 1979-05-11 1981-01-13 Rca Corporation Controllable non-linear processing of video signals
US4365266A (en) * 1981-04-20 1982-12-21 Rca Corporation Horizontal and vertical image detail processing of a color television signal
JPS59125176A (ja) * 1982-12-30 1984-07-19 インタ−ナシヨナル ビジネス マシ−ンズ コ−ポレ−シヨン ビデオイメ−ジのシエ−ジング効果の補正装置
EP0123701B1 (de) * 1983-04-27 1987-07-08 DR.-ING. RUDOLF HELL GmbH Verfahren und Einrichtung zur Herstellung von Farbbildern
JPH0757007B2 (ja) * 1984-01-23 1995-06-14 株式会社ニコン 画像読み取り装置
JPS60180377A (ja) * 1984-02-28 1985-09-14 Dainippon Screen Mfg Co Ltd 画像入力装置における画像信号補正方法
JPS6110360A (ja) * 1984-06-26 1986-01-17 Canon Inc 画像処理装置
US4661843A (en) * 1984-07-16 1987-04-28 Kabushiki Kaisha Toshiba Color image copying apparatus
JPS61161091A (ja) * 1985-01-08 1986-07-21 Fuji Photo Film Co Ltd 画像処理方法
GB8500493D0 (en) * 1985-01-09 1985-02-13 Crosfield Electronics Ltd Video retouching systems

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
JPS5188120A (enrdf_load_stackoverflow) * 1975-01-31 1976-08-02
JPS58182957A (ja) * 1982-04-20 1983-10-26 Fuji Photo Film Co Ltd 画像の鮮鋭度強調方式
JPS6054570A (ja) * 1983-09-05 1985-03-29 Fuji Photo Film Co Ltd 画像の鮮鋭度強調方式

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03245675A (ja) * 1990-02-23 1991-11-01 Matsushita Electric Ind Co Ltd 画像処理装置
JPH03293864A (ja) * 1990-04-10 1991-12-25 Dainippon Screen Mfg Co Ltd 輪郭強調方法および画像処理装置
JPH06500220A (ja) * 1991-02-22 1994-01-06 ライノタイプ−ヘル アクチエンゲゼルシャフト 信号のフィルタリングによる輪郭再生改善方法および装置
JPH0622135A (ja) * 1991-12-09 1994-01-28 Matsushita Electric Ind Co Ltd 画像処理方法
JPH05300376A (ja) * 1992-09-11 1993-11-12 Konica Corp 放射線画像のダイナミックレンジ圧縮用補正データ算出方法
JPH09181940A (ja) * 1995-12-13 1997-07-11 Samsung Electron Co Ltd ビデオ信号のローカルコントラスト改善のための方法及び装置
JP2001229377A (ja) * 1999-12-08 2001-08-24 Eastman Kodak Co 適応帰納的フィルタでディジタル画像のコントラストを調整する方法
US7079700B2 (en) 2000-11-30 2006-07-18 Canon Kabushiki Kaisha Image processing apparatus, image processing method, storage medium, and program
WO2002045020A1 (en) * 2000-11-30 2002-06-06 Canon Kabushiki Kaisha Image processing device, image processing method, storage medium, and program
US7248748B2 (en) 2000-11-30 2007-07-24 Canon Kabushiki Kaisha Image processing apparatus, image processing method, storage medium, and program
US7447376B2 (en) 2000-11-30 2008-11-04 Canon Kabushiki Kaisha Image processing apparatus, image processing method, storage medium, and program
US7558434B2 (en) 2000-11-30 2009-07-07 Canon Kabushiki Kaisha Image processing apparatus, image processing method, storage medium, and program
US7561750B2 (en) 2000-11-30 2009-07-14 Canon Kabushiki Kaisha Image processing apparatus, image processing method, storage medium, and program
JP2008508800A (ja) * 2004-07-30 2008-03-21 ヒューレット−パッカード デベロップメント カンパニー エル.ピー. 所望のゲイン及び係数による画素調整方法
JP2009020834A (ja) * 2007-07-13 2009-01-29 Fujifilm Corp 画像処理装置、方法およびプログラムならびに撮像装置
US8244059B2 (en) 2007-07-13 2012-08-14 Fujifilm Corporation Image processing method, apparatus, recording medium, and image pickup apparatus

Also Published As

Publication number Publication date
DE3629409C2 (de) 1994-02-17
US4825297A (en) 1989-04-25
GB8720314D0 (en) 1987-10-07
GB2195857A (en) 1988-04-13
JPH0568147B2 (enrdf_load_stackoverflow) 1993-09-28
GB2195857B (en) 1990-09-05
CH675640A5 (enrdf_load_stackoverflow) 1990-10-15
DE3629409A1 (de) 1988-03-03

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